JP2000110462A - Screen device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily install a screen device usable with a plurality of functions switched in one screen device, at a building opening part without impairing appearance and to simplify the structure of the screen device so as to be manufactured at a low cost. SOLUTION: This screen device is provided with a screen 4 wound onto a roll 2; a large number of band members 5 fitted in a rising/falling state onto one face side of the screen 4 and connected on the free end side by a flexible connecting member 6; the roll 2 rotatably supported to a support frame member so as to wind the screen 4 together with the band members 5; and a rising/ falling means for making the free end side of the band members 5 rise and fall in relation to the screen 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen device which can be used for various purposes such as insect repellent, light shielding, heat insulation and the like when applied to a building opening.

[0002]

2. Description of the Related Art Conventionally, as a means for switching and using various functions such as insect repellent, shading, heat insulation and the like by using a screen device installed in an opening of a building, screen devices having different functions are used. 2. Description of the Related Art There is known a screen device in which screens having various functions can be switched and extended by connecting screens having different functions to each other via a movable frame or the like by being provided in an opening portion. . In the former case, a plurality of screen devices having different functions are to be stacked at the opening of the building, but it is difficult to mount the plurality of screen devices within the limited installation space of the opening of the building, and Since a different type of screen device is to be installed, the appearance is often impaired significantly. On the other hand, in the latter case, not only the structure of the screen device is complicated, but also a plurality of screens are practically provided side by side. As a result, it is difficult to avoid bulkiness of the device.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and a technical problem of the present invention is to provide a screen device in which a plurality of functions can be switched and used by one screen device. An object of the present invention is to make it possible to easily install a device in an opening of a building without damaging its appearance, and to simplify the structure of a screen device so that it can be manufactured at low cost. Another technical object of the present invention is to provide a screen device which can be switched to a screen having a plurality of functions by using a configuration substantially similar to a screen wound by a roll.

[0004]

A screen device according to the present invention for solving the above-mentioned problems comprises a net-like or sheet-like screen wound by a roll, and a vertically movable screen on one side of the screen at substantially equal intervals. Attached, a large number of band-shaped members connected to the free end side at substantially the same interval as the mounting interval to the screen by a flexible connecting material, rotatably supported by a support frame member, and attaching one end of the screen, A roll that winds the screen together with the band-shaped member attached thereto by rotation, and in a state where the screen is unreeled from the roll and stretched over the building opening,
A lifting means for raising and lowering the free end side of the belt-like member with respect to the screen.

[0005] In the above screen device, the screen is used as an insect repelling net, and both ends of the net are slidably guided by a frame material attached to the opening of the building, and the belt-like member has a light shielding or heat insulating function. It is preferable to form the sheet. Further, as a raising means for raising and lowering the free end side of the belt-shaped member with respect to the screen, in a state where the screen is all unwound from the roll, the lead-out portion of the screen from the roll is located on one side of the roll, The screen and the flexible connecting member are attached to the roll such that the roll-side end of the flexible connecting member is located on the other side of the roll, and the screen and the flexible connecting member are opposite to the mounting end of the flexible connecting member to the roll. It is appropriate to provide, at the end on the side, a raising / lowering assisting means for maintaining a stable state when each band-shaped member is disposed perpendicular to the screen.
In this case, the raising / lowering assisting means is attached between the screen and the lower end of the flexible connecting member, and the bottom bar also serves as a weight that maintains a stable state when each band-shaped member is disposed in a state perpendicular to the screen. can do.

[0006] In the screen device having the above-mentioned structure, in a state where the screen is unwound from the roll and stretched over the opening of the building, the band-shaped member attached to one side of the screen is made to be substantially parallel to the screen by the elevating means. It is possible to easily switch between a state in which the entire screen is closed and a state in which each belt-like member is tilted and is substantially perpendicular to the screen, so that a single screen device can be used by switching a plurality of functions. it can. That is,
In the former case, since the entire surface of the screen is closed by the band-shaped member, an effect substantially equivalent to that of the screen formed by the band-shaped member, for example, a light-shielding effect can be obtained. In the latter case, each band-shaped member is substantially perpendicular to the screen. Since the screen is opened and the screen surface is opened, an effect by the screen, for example, an insect repellent effect can be obtained.

Further, since it is not necessary to provide a plurality of screens, it is possible to easily install a screen device having a plurality of functions without damaging the appearance due to the bulkiness of the screen device. In addition, as the structure of the screen device, an existing device other than the screen can be used, so that a screen device having a plurality of functions can be manufactured inexpensively and easily without complicating the structure of the screen device itself. be able to.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIGS. 1 to 4 show an embodiment of a screen device according to the present invention.

As shown in FIG. 1, this screen device includes a screen box 1 as a support frame member for a roll 2 attached along an upper frame member of a building opening;
A roll 2 rotatably supported inside the screen box 1, a sheet-shaped screen 4 wound around the roll 2, and having a leading end led out from an outlet 3 on the lower surface of the screen box 1, A large number of strip-shaped members 5 attached to one side of the
A flexible connecting member 6 for connecting the free end side of the band-shaped member 5 to the screen 4 at substantially the same interval as the space between the band-shaped member 5 and the screen 4; A pair of left and right guide rails 9 as frame members, which are vertically installed downward from both ends of the screen box 1 and slidably guide the left and right ends of the screen 4 when the screen 4 is opened and closed. It is composed of

As shown in FIG. 1, the screen box 1 has a support frame member for supporting the roll 2 by attaching box caps 10A and 10B to left and right ends of a cover 10, respectively. In FIGS. 10A and 10B, the roll 2 is rotatably supported by supporting support shafts 14A and 14B penetrating through the centers of the roll caps 12A and 12B fitted to both ends of the roll 2, respectively. Then, the operation cord 26 is wound around the pulley 25 fixed to the roll cap 12B in the box cap 10B at one end of the screen box 1, and the roll 2 is rotated by the operation cord 26 to feed out and wind up the screen 6. Like that. Further, on the lower surface of the screen box 1, an outlet 3 for extracting the screen 4, the belt 5, and the flexible connecting member 6 wound around the roll 2 is provided.

As shown in FIGS. 1, 3 and 4, one end of a screen 4 constituting an insect repelling net is attached to the roll 2, and a flexible connection is formed by connecting the free end of the band-like member 5 to the roll 2. One end of the material 6 is attached so that the screen 4, the band member 5, and the flexible connecting material 6 can be wound by the roll 2. Then, the screen 4 and the flexible connecting member 6 are led out from the outlet 3 on the lower surface of the screen box 1, and a bottom bar 8 is attached to the lower ends of the screen 4 and the flexible connecting member 6 as a tilting assisting means. ing. As shown in FIG. 4, the bottom bar 8 is formed to have a width substantially equal to the width of the band member 5 and is attached between the screen 4 and the lower end of the flexible connecting member 6. When the screen 4 is taken out from the screen box 1 when the screen 4 is extended from the screen box 1 when the screen 4 is arranged perpendicular to the screen box 1, the screen 4 is horizontally arranged as shown in FIG. When the screen 4 and the flexible connecting member 6 are always kept in a tensioned state, the weight is such that the screen 4 and the flexible connecting member 6 can be stretched in the building opening, and when the curing is performed on the lower frame member F of the building opening, As shown in FIG. 4, a weight or weight distribution suitable for falling down is given by its own weight.

As shown in FIG. 2, the guide rails 9 are main rails 20 that open toward the sides of the screen 4, and are held in the main rails 20 so as to be displaceable in the width direction of the screen 4. 4 and an inner rail 21 provided with a slit 21a opening toward the side in the length direction thereof.

The screen 4 has a large number of belt-like members 5 formed of a sheet having a light-shielding function provided at substantially equal intervals on one surface of the screen 4 so as to be able to be turned upside down. The screens 4 are connected by a flexible connecting member 6 made of a sheet of mesh ground at substantially the same interval as the interval of attachment to the screen 4. The width of the band-shaped member 5 and the interval at which the band-shaped member 5 is attached to the screen 4 are substantially equal.
The screen 4 and the flexible connecting member 6 can be integrally formed by one sheet, and the band-shaped member 5 is not limited to one having a light-shielding function, but has a heat insulating effect. For example, those having various functions of a screen device installed in an opening of a building can be applied. Further, the flexible connecting member 6 is not limited to a sheet-shaped member, and a flexible connecting member such as a string-shaped member or a tape-shaped member may be attached to at least the left and right ends of the free end of each band-shaped member. it can.

The screen 4 is entirely unwound from the roll 2 as a means for raising and lowering the free end side of the band-shaped member 5 with respect to the screen 4 in cooperation with the bottom bar 8. In the state, the lead-out portion of the screen 4 from the roll 2 is located on one side surface of the roll 2, and a flexible connecting member 6 connecting the free end side of the belt-shaped member 5 is provided.
The ends of the screen 4 and the flexible connecting member 6 are attached to the roll 2 such that the end of the roll 2 on the other side of the roll 2 is located on the other side of the roll 2. Further, in order to prevent the screen 4 from being loosened in the width direction when the screen 4 is stretched, an engaging member 24 is attached along left and right side edges, and this engaging member 24 is The rail 21 is engaged. The engagement member 24
Is formed by providing a large number of engaging elements 24b which engage with the inner edge of the slit 21a of the inner rail 21 along one side edge of the tape 24a made of cloth or synthetic resin. The other side edge is connected to the screen 4. This engagement member 24
It is necessary to be able to be wound up together with the screen 4, for example, a member such as one of the mutually joined halves of the slide fastener or its equivalent can be used.

In the screen device having the above structure, the screen 4 is fed out by operating the operation cord 26, and in a state where the lower end of the bottom bar 8 is in contact with the lower frame member F of the opening of the building, as shown in FIG. The belt-like member 5 takes a position substantially parallel to the screen 4, whereby the building opening is closed. When the screen 4 is further unwound from the roll 2, the lower end of the bottom bar 8 is tilted while sliding on the lower frame member F toward the flexible connecting member 6 to gradually tilt the belt-shaped member 5, and all the screens are screened. When the flexible connection member 4 and the flexible connecting member 6 are unreeled from the roll 2, the band-shaped member 5 and the bottom bar 8 are substantially orthogonal to the screen 4. That is, the building opening is substantially closed by the screen 4. If the operation is stopped in a state where the belt-shaped member 5 is at the intermediate tilt position, the belt-shaped member 5 is held at that position.

In the screen device having the above-described configuration, in a state where the screen 4 is unwound from the roll 2 and stretched over the opening of the building, the band-shaped member 5 attached to one surface of the screen 4 is substantially attached to the screen 4. It is possible to easily switch between a state in which the entire surface of the screen is closed upright and a state in which each band-shaped member 5 is tilted to be substantially perpendicular to the screen 4 and an intermediate state thereof. Function can be used. That is, in the former case, since the entire surface of the screen 4 is closed by the band-shaped member 5, a light-shielding effect substantially equivalent to the screen formed by the band-shaped member 5 can be obtained. In the latter case, Since each band-shaped member 5 is in a state substantially perpendicular to the screen 4 and the screen surface is opened, the insect repelling effect which is the effect of the screen 4 can be obtained.

Further, since it is not necessary to provide a plurality of screens in parallel, a screen device having a plurality of functions can be easily installed without impairing the appearance due to the bulkiness of the screen device. In addition, as the structure of the screen device, an existing device other than the screen can be used, so that a screen device having a plurality of functions can be manufactured inexpensively and easily without complicating the structure of the screen device itself. be able to.

In the above-described embodiment, the case where the present invention is applied to a screen device which is vertically opened vertically is described. However, the present invention is not limited to this and may be applied to a screen device which is horizontally opened horizontally. it can.

[0019]

According to the screen device of the present invention described in detail above, a screen device capable of switching and using a plurality of functions with one screen device can be easily provided without impairing the appearance at the opening of the building. In addition to being able to be installed, the structure of the screen device can be simplified and the screen device can be manufactured at low cost. In addition, since the structure of the screen device can be an existing one other than the screen, a screen device having a plurality of functions can be manufactured inexpensively and easily without complicating the structure of the screen device itself. be able to.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a screen device of the present invention.

FIG. 2 is a cross-sectional view taken along line AA of FIG.

FIG. 3 is a side sectional view of FIG. 1;

FIG. 4 is a side sectional view at a position equivalent to FIG. 3 showing a state in which the band-shaped member is tilted in the embodiment of the screen device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Screen box 2 Roll 4 Screen 5 Band member 6 Flexible connection material 8 Bottom bar 9 Guide rail 10A, 10B Box cap 12A, 12B Roll cap 14A, 14B Support shaft

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takayoshi Kai 3-5-27 Toyota, Shizuoka City, Shizuoka Prefecture F-term (reference) 2E043 AA00 AA01 AA04 BB02 CA02 DA05 DA07

Claims (5)

[Claims] 1. A screen in the form of a net or sheet wound by a roll, and mounted on one surface of the screen so as to be capable of being turned upside down at substantially equal intervals, and having a free end attached to the screen by a flexible connecting member. A large number of belt-like members connected at substantially the same intervals, a roll rotatably supported by a support frame member, attaching one end of the screen, and winding the screen together with the belt-like member attached thereto by rotation; and the screen. And a raising means for raising and lowering the free end side of the band-shaped member with respect to the screen in a state where is pulled out from the roll and stretched over the opening of the building. 2. The screen device according to claim 1, wherein the screen is an insect repelling net, and both ends of the net are slidably guided by a frame material attached to an opening of the building. 3. The screen device according to claim 1, wherein the band-shaped member is formed of a sheet having a light shielding or heat insulating function. 4. A means for raising and lowering the free end side of the belt-like member with respect to the screen, wherein a portion of the screen extending from the roll is placed on one side of the roll when the screen is completely unwound from the roll. Position, so that the roll-side end of the flexible connecting material is located on the other side of the roll,
When the screen and the flexible connecting member are attached to the roll, and each band-shaped member is disposed at an end of the screen and the flexible connecting member opposite to the end to be attached to the roll in a state perpendicular to the screen. 4. The screen device according to claim 1, further comprising a tilting assisting means for maintaining a stable state. 5. A bottom bar which is mounted between the screen and the lower end of the flexible connecting member, and which is capable of maintaining a stable state when each band-shaped member is disposed perpendicular to the screen. The screen device according to claim 4, wherein: